Gunung Rinjani (3736 m) is one of the highest mountain in Indonesia and it is the highest mountain in Wallacea (Coates et.al. 1997). The dormant crater become a lake (Segara Anak 1125 ha) (Wibowo & Suyatno 1998).
This area is the most important site for birds onLombok Island. Last recorded Flores Green Pigeon Treron floris was in 1909 (Rensch 1931). Yellow-crested Cockatoo Cacatua sulphurea previously reported as extinct in this area (PHPA/LIPI/BirdLife-IP 1998), however an observation in 2000 by V.Nijman (personal communication.) and W. Prayitno (personal communication) recorded this species. Chestnut-backed Thrush Zoothera dohertyi has become difficuly bird to see due to bird catching activities since 1980s.
BirdLife International (2019) Important Bird Areas factsheet: Gunung Rinjani. Downloaded from http://www.birdlife.org on 15/09/2019.